Question

More adding and subtracting mixed numbers anybody know? :p

Answer 1

7. 4 7/15 + 2 4/5

Find the common denominator for 2 4/5 which is 15. Multiply by 3 for the numerator and denominator.

(4)(3)/(5)(3)=12/15

4 7/15+ 2 12/15=6 19/15= 7 4/15. ( subtract the numerator with the denominator 19-15=4)

Answer: 7 4/15

10 . 3 1/4-1 1/3

Find the common denominator for both of the fraction which is 12.

Multiply by 3 for 3 1/4. ( only for the numerator and denominator)

(1)(3)/4(3)=3/12

Multiply by 4 for 1 1/3.  ( only for the numerator and denominator)

(1)(4)/(3)(4)=4/12

3 3/12- 1 4/12

Make the fractions into improper fractions. Multiply the whole number with the denominator.

3 3/12= 3*12=36. Add 36 with the numerator. 36+3=39

1 4/12=16/12

39/12-16/12=23/12=1 11/12

Answer: 1 11/12

Answer 2

Answer:

first one is 7 4/15

second one is 1 11/12

Step-by-step explanation: